Make copy of Calendar object before modifying it. Also handle Date type.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@1982 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2011-01-10 23:06:28 +00:00
parent 4d84733b8e
commit 44652a3ee2

View File

@ -34,6 +34,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.google.refine.expr.functions.date;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
import org.json.JSONException;
@ -47,10 +48,17 @@ public class Inc implements Function {
public Object call(Properties bindings, Object[] args) {
if (args.length == 3 &&
args[0] != null && args[0] instanceof Calendar &&
args[0] != null && (args[0] instanceof Calendar || args[0] instanceof Date) &&
args[1] != null && args[1] instanceof Number &&
args[2] != null && args[2] instanceof String) {
Calendar date = (Calendar) args[0];
Calendar date;
if (args[0] instanceof Calendar) {
date = (Calendar) ((Calendar) args[0]).clone(); // must copy so not to modify original
} else {
date = Calendar.getInstance();
date.setTime((Date) args[0]);
}
int amount = ((Number) args[1]).intValue();
String unit = (String) args[2];